SAE-AISI 1080 Steel vs. ACI-ASTM CB7Cu-2 Steel
Both SAE-AISI 1080 steel and ACI-ASTM CB7Cu-2 steel are iron alloys. They have 77% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1080 steel and the bottom bar is ACI-ASTM CB7Cu-2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 260 | |
| 300 to 420 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 | |
| 5.7 to 11 |
| Fatigue Strength, MPa | 300 to 360 | |
| 420 to 590 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 72 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 870 | |
| 960 to 1350 |
| Tensile Strength: Yield (Proof), MPa | 480 to 590 | |
| 760 to 1180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1430 |
| Melting Onset (Solidus), °C | 1410 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 51 | |
| 17 |
| Thermal Expansion, µm/m-K | 12 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.6 | |
| 2.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 2.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 13 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.6 |
| Embodied Energy, MJ/kg | 19 | |
| 38 |
| Embodied Water, L/kg | 46 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 80 to 84 | |
| 71 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 610 to 920 | |
| 1510 to 3600 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 27 to 31 | |
| 34 to 48 |
| Strength to Weight: Bending, points | 24 to 26 | |
| 28 to 35 |
| Thermal Diffusivity, mm2/s | 14 | |
| 4.6 |
| Thermal Shock Resistance, points | 25 to 29 | |
| 32 to 45 |
Alloy Composition
| Carbon (C), % | 0.75 to 0.88 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 14 to 15.5 |
| Copper (Cu), % | 0 | |
| 2.5 to 3.2 |
| Iron (Fe), % | 98.1 to 98.7 | |
| 73.6 to 79 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0 to 0.7 |
| Nickel (Ni), % | 0 | |
| 4.5 to 5.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.35 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.030 |